Extract refresh job on Tableau Server failed with the following error:
file is locked by another process: flock(): Resource temporarily unavailable
or
com.tableausoftware.nativeapi.exceptions.DataSourceException: Hyper API: Could not connect to the Hyper server.
The error is encountered upon querying the .tmp files or .hyper files that are generated during extract refresh.
This is caused by the security/anti-virus software e.g. McAfee that is running on the machine hosting Tableau Server.
001471725

We use three kinds of cookies on our websites: required, functional, and advertising. You can choose whether functional and advertising cookies apply. Click on the different cookie categories to find out more about each category and to change the default settings.
Privacy Statement
Required cookies are necessary for basic website functionality. Some examples include: session cookies needed to transmit the website, authentication cookies, and security cookies.
Functional cookies enhance functions, performance, and services on the website. Some examples include: cookies used to analyze site traffic, cookies used for market research, and cookies used to display advertising that is not directed to a particular individual.
Advertising cookies track activity across websites in order to understand a viewer’s interests, and direct them specific marketing. Some examples include: cookies used for remarketing, or interest-based advertising.